Protective cover for a bathtub overflow drain unit



FIG. 1 is a perspective view taken from the top, front and left side of a protective cover for a bathtub overflow drain unit showing my new design;

FIG. 2 is a front elevational view thereof, the rear being the same as the front;

FIG. 3 is a right side elevational view thereof, the left side being the same as the right side;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a perspective view taken from the top, front and left side of a second embodiment thereof;

FIG. 7 is a front elevational view of FIG. 6, the rear being the same as the front;

FIG. 8 is a right side elevational view of FIG. 6, the left side being the same as the right side;

FIG. 9 is a top plan view of FIG. 6; and,

FIG. 10 is a bottom plan view of FIG. 6. 

The ornamental design for a protective cover for a bathtub overflow drain unit, as shown and described. 